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On 8/18/05, Panu Kalliokoski <atehwa@xxxxxxxx> wrote: > > This is a complicated issue. My implementation currently adds the value > from the _last_ association in the list, which is probably what you mean > ty "added in the order they appear". But because assoc&friends returns > the first occurrence, picking the first value would make the API more > consistent with alists. This is a good point. It's not uncommon to use acons without first checking for the existence of the item in the list for efficiency and/or for referentially transparent updates of shared alists. I think it might make sense to explicitly require alist->hash-table to always reflect the first value in the alist. -- Alex